cf. Proamphiuma DENTON & O'NEIL, 1995

Locality: Ellisdale Site, southwest of Allentown, in Upper Freehold Township, Monmouth County, New Jersey.

Horizon: Basal Marshalltown Formation, Matawan Group.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

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EBERTH, 1987

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: